{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0xb6ba5772aec383cbf6e5d5434d0ede9f91c584dd2c0aadc139b1bd5c85bfe920",
    "signature": "0x512be3a53c8b9a8d1efe3a9678dde1102bfa492562c1aea64f66e55630693332294a0d758bed98b9481cc88b9e1f1852d032065f4bf58f18b924a3adb75aa7f71c",
    "signer": "0x35A1E9A7c06f30D56A775cD5abF9156889f1396B",
    "userId": "34115162"
  }
}