{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "331826",
    "entityType": "User",
    "nonce": "0xab8d6a2ab1c3fcfa382bdd2428c8a8f0793f0fdaef3dbeb717dcd1b8d080b5b5",
    "signature": "0xd814d52d88775ba258fdf367002f630a85eabb94df7fe10e5309258cf998c79e19928a1dc191e6de97b94a3343cca9ea71e55f3d35d7e27fc1f526fe97e7ff4b1c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}