{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0x5a246770156dcc5a74a71dfb367c3ef8e795ee27c30705824b389d488eacdb85",
    "signature": "0xf8868aa858ff9f1c8dbb297346e47a6c8bf7c9639f9a21b8c2e99cb413e03a183ab3517f206f1aeefe7b85f27b3f6e0f97c69fc1c6efde55d6544b21ad6056cc1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}