{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x7f990e36d6591e6402b352aba4c4ab87d5e1742e383cc76ce8f21306733b5ccf",
    "signature": "0x4c37d3339fbf4b0e698b77d3769c9a14060a7266a9645cb2bf14c14f13b97e693bbef17d1aa02307f5f3e63f939acb8b94e766c72e9faee45f0c8a274137449b1c",
    "signer": "0xAd33018d1AA234072Eed7f991F9891f3688158d3",
    "userId": "413212044"
  }
}