{
  "manageEntity": {
    "action": "Update",
    "entityId": "751460097",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x726d12a8a7fc24e1149e7da01c7ff836f16368cd7e7b6f5bc74ba8b7553c70ad",
    "signature": "0x0422b75b1725a4926ab91ba5513d824a926f278bbca24c4f9ccadb285744297607c7a12467d1d241120f68d1aba841ce0a73c7e57ee15e559032ad3809cd91cf1b",
    "signer": "0x7Bc117EE1abf935D4Cc8c77fE47FDA0bd02b56F0",
    "userId": "751460097"
  }
}