{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294181602",
    "entityType": "User",
    "nonce": "0xa904e2c20e52252fd87472287488332131b988fbf704d0f32b9edb9f7783def5",
    "signature": "0x206240074caeb01f2764f88a0eef9e18beef51236a7420f34d6656993d707d34314624dd75d91fd87f9373b1399e20e08fa3f4132247fb0fab75069c2cb5bf6c1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}