{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x34d64a73e09f299ca5a37e23479ba06ce1228620d372c14391e60d9702cc148e",
    "signature": "0xcf510264fb9a5601b8d95895e80c56bf6cf40f04c4589d8716826ba1ebd8cbe04ddf43fb22544bbfa58ab0a27d8f2f95e5347703e154d9648c5ce822b66292781b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}