{
  "manageEntity": {
    "action": "Update",
    "entityId": "817118268",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4tkatajwb5b3hotuyecfwzdfn5oi4rdsscud657rvwaarr6wkrpq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1290339850}]}}}",
    "nonce": "0xe5bfec11d7b436d458da7b0418250f946b65c74a2c11a8e86b35e8921de0d703",
    "signature": "0xb976876e18fb1fc32fa1ad04e869525d52dd1319b3c46317e00077a9b85d04341037f53e68b3bd909be9947444e50425bf5ce1ca469697c45a4f61ede557789b1b",
    "signer": "0x75Eea1E24e43327Fb694Bc09A48Fb0265784dBfB",
    "userId": "817118268"
  }
}