{
  "manageEntity": {
    "action": "Update",
    "entityId": "120277181",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb6b93b09498b249434044333f3d108d78c76c685640882d89da624110ebc7d31",
    "signature": "0x3bf28fdca5405a2c72dce51ef95aa2f7ae3c92cb5a1348844954eb68e5c5b6956a4ef490609fecbcec58b2d702976cc09957659f6bdaff4fa6a75560dd9207a71c",
    "signer": "0xAB211D80b980FeA2E71AE36b5A296A258f4dc7b5",
    "userId": "120277181"
  }
}