{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "250734",
    "entityType": "User",
    "nonce": "0x66c49b77545525b802b77394ffc959946a9f0170611ce63443d0c8582268751c",
    "signature": "0xd3dc409d751d9b18dbd5d5060bb212b3a011c6031ddb922bce04b7edadd3df9f4ae8fbefd555e7139088853623eaed6fa0a6d604aee1c0f10aff1e39c185b5b71c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}