{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x936749e8ca603f15438255247a303e13a980deeb2418c0a84bdfa21b01aebd39",
    "signature": "0xaee0c991e619c7d0f02c375ca7dd7701ad97be9574c6d67491199ea15c46f503153de8e4d0495061adcde92ac097666d32e1ac59a173cd5302ba3935cece1d781b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}