{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99596",
    "entityType": "User",
    "nonce": "0xc5d9aee4c94008365d71118042884660fd5e82e2d6174ca51b458f5edd296c0c",
    "signature": "0x96adc1d7bf3dd6cc9a075c41f76fb536a842ea38266eae53a6b4aab7c896ad071486ab33142e0623fe84e1f5065648facf2e27a05fd4cd1a5085f4e0e4b360f61b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}