{
  "manageEntity": {
    "action": "Update",
    "entityId": "413318698",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb6f5a799f9b7395d5e2a46ae211d5faf1007e949a8685733719dd89346ba421d",
    "signature": "0xeec3f3846aaa1e3e488b8d96351e488d03789adbfe7048e6069a6f8161d1923f58d7d52e93737472f150b32b68190df8aa6dc43f3b51d0aec240112a53f0d9f71b",
    "signer": "0xca7ED35Ea6226B62ef9998B36bcD0519E7822ab5",
    "userId": "413318698"
  }
}