{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdc6c902062b8d1eaf1f42816adae260ee48e86a57b849e173395c0985c03dc16",
    "signature": "0x2b89827a017856f52c6da9a4b17cd8899f45bbd2a4eeb6079e8b90cf9a81cb4a3015d8e9c1fb9044c8d87ba2984557bc4a63d010a3a3c55a968070d1a767113e1b",
    "signer": "0xf6f1d1A070907cb694f79ec25e81a884c9d42B26",
    "userId": "895453800"
  }
}