{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "187770916",
    "entityType": "User",
    "nonce": "0xb0ece3ab8b63add7574a4a9af3d313336c4e6759cf3fb0ab098751e41ac895f5",
    "signature": "0x7f1ef330910c36ebc6a08de6eb0b8002b7ac333f3a65002f277109a02025b2b75d969ee66e7ef61ab234a2135ae4279a00a89059a34531cceb13e21b18a0a9ef1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}