{
  "manageEntity": {
    "action": "Update",
    "entityId": "240058941",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa3803b015c1a6fb82db37a15fdb858d5aa26383bb450f72c65840d17bde3770c",
    "signature": "0x2d67a6eb08b84a6769934d920a56eff477e8842ad5ffb5f0dde94f9c99c0bb4d40f989f11f1a0a5c55aadb0581b37e7559a4da9f7c90c8be0bace440b923ffe71b",
    "signer": "0x010890739ee5EEA7A578C39f150C929028b07F2d",
    "userId": "240058941"
  }
}