{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308666",
    "entityType": "User",
    "nonce": "0x2b6af6396fd2fe32ce6ca6ef309cab864cb2a2e95bab15f3056c12a583aa4973",
    "signature": "0x0f391c98993f4cebe0f61e1c5296cb00961efbc6d4d4df441453f034cf19baaf3f8d9f9c28d7abbf0916efa160d1abce2b1145c7a8d7e37e3d446ccc134b28d51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}