{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "585872775",
    "entityType": "User",
    "nonce": "0xd3390e51a919dd35f333b3ce020b3a623a3ab0de39151989c9739ecb5eb45368",
    "signature": "0xe79db69bf2199162ff7e5812cd2c40564d6b51556638646144d78703be5c7c592bb95e38103595b0be5817c3d1b78ece0ad853e1dbbb51c9442e7ea414991f6f1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}