{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994758391",
    "entityType": "User",
    "nonce": "0xa18f24b3a7be48bf2ae56690d9d95a816d2eb5f6fc8ff9d921457ec13685de24",
    "signature": "0xfe9b2cbc7cae627b61299a306f6a0d3f7851e6c69e7e1c0c4a0f4a4a270b946309fd7b49ec6dfb6939ce1954d0023af8494614315cc2bf4220729613bdac7e9e1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}