{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "859365301",
    "entityType": "User",
    "nonce": "0xd323399d6adbed4f91b1a2424150e015862bc743d8bd76581db9ae6e552444ed",
    "signature": "0xc7874236f9f32d4d0fe6852736c13251c6c7878769c5ac6094e06a6153347f9d3ef0ac573d5637a19ca5810aa23f55e8b0ca6739ac8c9beca8a44fabcf6fa48c1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}