{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7187",
    "entityType": "User",
    "nonce": "0xe4123d8745325d6f6644276d4d53423da8aca0a88f917c1c6eefa0ff541e8fe4",
    "signature": "0x958fb6d1ab7dc2364bdc1a1aaf1a3cbce08d9590e9e2b1f33f2892efca42496910f524b279864e4069edfdfb91f12c18268bc763111392c9f50e9fbb69f99c951c",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}