{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917339310",
    "entityType": "User",
    "nonce": "0x1cbc84e1e2a99c24f1db59c4bda8080937e323af1ec5d7a0e07ca394352e2e0b",
    "signature": "0x65a9debccec4e940ba141517c5e9b3fc7de5a882f3d97cc1bcafeb20bc791a0813d387e7b20d90dc4bf72ce9af2bdda22e65c9fd49b245632ab767ad14d6d1e41c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}