{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xbf4097e28c1772a14507757ad73edbd66b32eb7acbe7a7ab3bca9aff286034f9",
    "signature": "0xf1a557ae269a7cc8fc6c1d208a1599834a592911cf5687dd76ec2ff51ac5ec9c2ad4e3d7a99a4807c8bedeff566ff78cb7d122e15477e9df5082b26c0b09d5fd1c",
    "signer": "0xc27c65aC00e7504f9D3eA857edc3399A39459abf",
    "userId": "222048983"
  }
}