{
  "manageEntity": {
    "action": "Update",
    "entityId": "487939004",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazsoixaw3c6vyyyazglu3siud43fvruq7dhpuzvsrmnmfvnuvwnyq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1236104233},{\"type\":\"playlist\",\"playlist_id\":1219921829},{\"type\":\"playlist\",\"playlist_id\":537344379},{\"type\":\"playlist\",\"playlist_id\":838279389},{\"type\":\"playlist\",\"playlist_id\":1686593883}]}}}",
    "nonce": "0x01d7676e15fc9ece7819b60061f1c9dc70587ee65947f2b2b7175dd96b26c2a8",
    "signature": "0x1e84d8c702da23d19cef0cdee2e3de1e2bb6ec4e2d61685c1424494baadfcea567eaa9f026438c952e68d3c1ab8cda880255c5565bab33b6becdca58e6000cc81c",
    "signer": "0x3A25162935B033F53f1C057B6EacdFA4472E0400",
    "userId": "487939004"
  }
}