{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62260",
    "entityType": "User",
    "nonce": "0x5c8cc606f8fc3b60f41255ea1582cec1394b2005fe38a3743e1ebf2b45b86576",
    "signature": "0x900388aae0628483e97c744697b3e9a2b5fc86baab757c658003e05e72c8bb8b65661e39d785e472dcc9700195081f1c8307654e99f8775aabc2899bf266cb421c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}