{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xba9fa3300c9b66b40fd5b399a93c83162c327607ac499717378cb9ec5480de6d",
    "signature": "0xae575aa4cbf3fbf8c816b6ba3a85841f30bf7996d7c065c296e049a2026d9a2b37019e8f8969d3710704dac1a34912e15a4054cfd0a12d583b438b7db5823fd01c",
    "signer": "0xe7cf0875B98A0048424DbADB6510a76E9eBE6C9f",
    "userId": "21915114"
  }
}