{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0xcf62e556dc7afe8ee9b4c6362c4fdf4199318b14321b490ad57ed2459ac39fe8",
    "signature": "0xb3924f7e9b576a8f4c43977db1a85973ff6995b68fe58c6609c07bf6512728ca6229b080a195c53cc4467906a3ad22c8e0f5b681d31d6f0fabe8a4b93d7067f01c",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}