{
  "manageEntity": {
    "action": "Update",
    "entityId": "297845735",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x20521a13de751aef9724307a4a650723b6ca46e18b12e259f56027de6019d35b",
    "signature": "0x3095b25ab6854246427b44bd519e92e16db6cada947518a0d2150bdd3532fb55228fe7c3ffce2e723e1ab30187ec321b342dee91a4958244aae060ec709f90ef1c",
    "signer": "0xd13DaA6FD8aC5f5020F6Fc5e9f048B4Eb1bC979a",
    "userId": "297845735"
  }
}