{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "904559297",
    "entityType": "User",
    "nonce": "0x1da92f0bfb3cc3a3cc0887c6bfa0e599c3dad8b6e24f897214800b6dd67d583a",
    "signature": "0xc32ec2f88b6664d4dfb9908f3bb5cb307a02d673ce1d2e75cea3dc64032df11a0f23ad9b7ee0dc4e46b56bcb0a8b682dad5d4f52de4aef932e2b7b5eccfbdeb01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}