{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xd35f3772a6610def2747d7bc04bbc2ffebc0755dde092158decc14393e63beda",
    "signature": "0x7d75855caf33b5f128ed056832b1940861bd6a45ce00a1cb1494ca350a827c3839dc7bf71da91b95c9a3dabd16bd9036042ce34ba88ed70b01c0f52ef29b51da1b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}