{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829862826",
    "entityType": "User",
    "nonce": "0x273cc51c2821c59f2a088109728df01ebe54710a37895763235a7da1b98bce2a",
    "signature": "0xb71e3440c0d85a663c62d1806e267d8791452ea5b9375069b399083492acae3618dcfa48c5f1675edf2f915ff91e1e01b715a00dc958141f56c3e689a5e8fabf1c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}