{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8fa172b43086bdd83182b5e9c0ea5a25534a659676b0f44942fd273b2ccb2def",
    "signature": "0x8c388f44c8f154e35c7b922f5ea5d74ee7bf46dd59284a9d49550dcd46926efe79956961a88ef01f1566613209ba67c83e0822c9b72f063598fc26314f7fd0be1b",
    "signer": "0xEeF34bC1b9a4E851CFF52a2b6e80da528ff0bbd0",
    "userId": "6033"
  }
}