{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296186",
    "entityType": "User",
    "nonce": "0xc50403635cffa87c85047d4c7c918a8edeacb37eb13225b4aa38dc13635a2600",
    "signature": "0xe9f0c2781b66bf948868bdea543ffa0efdac1308526cc9b9ec594f1470d78de60b5d7e0029c66bf7dc33dfbd1185ba6a4b4754f33f986dd01167a0537bf63f4b1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}