{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xfef4895ea1b173aaeda7ed88544f7c198899f1e5643c56acf9c706f42b2e37d4",
    "signature": "0xa5274f36d6b7c3521d0d0dabfca66d0ec0847dab5ecb0f59e7eee639100f801851511558fed12ff115c5b0b5fcc7a71c4a7fcf2a741aefa8be1b01982c18aa791c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}