{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107436",
    "entityType": "User",
    "nonce": "0x8e34fbb69dc5ba584204351eece30ce8a6d65cedb514860516177685bd34d83e",
    "signature": "0xbb90dd949683dc3544bee76da3cf14d046fc627b2384c5fbcebd46940a8ca97d273b4705dc14b0fdae1c97c6cfa04f8fa37499068b089e66f46dc219a9881b9d1b",
    "signer": "0xE9B9EEdDb579478834256Bd35E42d09cfb754b1d",
    "userId": "281227"
  }
}