{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xf554afda7aadcbfd2bcbd501c2ee479d8be180e6ba6a2e8b38e2d8245def94c6",
    "signature": "0xd35c94dd796ffd3c0dccde0a77edad67dce9e6c95c57f99074c5ec555a3761e97ce9d110618d1dba251332dff6e91c98fea8a259cfc4a5bc13e310e9bbba32431c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}