{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4549073de615ecb53ff8f10e7b69f9bd5b1d9cbe5434ba038f1f0354c47aaace",
    "signature": "0x4dcd8a9bbdada881ad4b0f3254c277c2bf785f534af215f11875f53c4f4a13a2298506ea85b41fb06e919d698f90fe84a06a58c7d93cdebbbdc511b9cef7c8f01c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}