{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xf99544e681f54d94ae95d9b6cb8b8eaf38ccdd5bfedc90c3f4849250d7663e0d",
    "signature": "0x1cdc40a820b40b5339fe2e733023e502e50f33ff518b9f6efa1c912eb0cc00a9761532940cdc5d4f4522608532c39eb7c120ff1a5bc9da2d75a57db0e2e755c81b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}