{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0xb9247bc6395ece36e7b3ad02ea3f67722e497943570011945c473cd8f1a6bc72",
    "signature": "0x19da001a74a412ce17be2b9b3b2ebf8b6b1ac42eef3f8bc13e178d7a1314f5fe6e6757c4d3e9b944cf0199a36e7e00e9edabdb21abef4baeae61f3eab8ced1e21b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}