{
  "manageEntity": {
    "action": "Update",
    "entityId": "806603339",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xeae57fb554e84b0c95066daa6fe911dd5e985b8b6f9d54e6b0562fc1f8794355",
    "signature": "0xfb38febe69740fc94d5486139bdc7f4d8418632ee50e0d89168f28b17e4865310927fa392440f5a90e6d79a8e8fb3c024ebf783da903ed44a816e4c3d65f933f1b",
    "signer": "0x59b6242FE7db035cd9545ca205b208b5fcf1CC4D",
    "userId": "806603339"
  }
}