{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "672814339",
    "entityType": "User",
    "nonce": "0x45e357528a75e058dbf30ab970c15e932f1c183e38e4c03389100250c8d7a692",
    "signature": "0xe94e6b37d23733386fc91b780459c74a43360bbe539e1acffec25379d310652d58ba32a95ddb6f6d8357c11c4855c273333c2fb6585d35a182bb80c3fc150ce81c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}