{
  "manageEntity": {
    "action": "Update",
    "entityId": "887781517",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieras7dd5bq2p432bdnogfxvpjlem4btxz67q2pxmebmry4ii6fwzfka\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":302807856},{\"type\":\"playlist\",\"playlist_id\":104421225},{\"type\":\"playlist\",\"playlist_id\":587752456},{\"type\":\"playlist\",\"playlist_id\":1994593713}]}}}",
    "nonce": "0x0592c19c92a1a9769a0f653a2cf17596aba47a0edaf59db4e9dbd313fc7e74ac",
    "signature": "0xb3bac03c7d457d0f3958388208bf2d829f25e5799488804c928f0000a77132471d50a8be165d6d5bde2b85572199658ecacc8ba72e7d4c3c7f74438b02f9d9b81c",
    "signer": "0x2480668A2849AD9Eeef1129d84348cd7073D4Ec7",
    "userId": "887781517"
  }
}