{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x8c6ebdd6d1f6b10dacfecb174ca73af2974bfe149e46633b8159b9f940fd66e7",
    "signature": "0x9d9bc5bd7cce701fdcaeeb4ce0cb63f83b56018d3a6c68481425733d08a175a515131cc76babb2107fd9e5b6381b5fe6a10b48d86a6ed646b5215a5d29376ed11c",
    "signer": "0x2230770EC85946F97685aDECD4b734f51662F050",
    "userId": "887741865"
  }
}