{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcde477e88090f8f7a750faa297549df6b9436dd660016d052033cc368f32fd5b",
    "signature": "0x42530f9feab786e27a00452ff632f2f63a65227dba888286d19b324cc5b18cf611edc75b121a30ff60b0e44bc26b0d0fdc17cc39678e9d59e89ffc7d7039779c1b",
    "signer": "0x9141228C160387B2542a58dF6861Ccf13c616b70",
    "userId": "282082162"
  }
}