{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xe0e6762d1f250c1a62e8a153b9216003039782e22fa4e5e16c0fef463b7b882d",
    "signature": "0x210fa56687c01118a2cb9513e317831c62f2498ad91a4fec0a94dc7c3a0930911395aa854a5c9109ebd1f1a35232851b1607309dea9174bd9103501618db515c1c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}