{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xb6a716f373909310200f1395b3aac10bd390c1c37833cf6c4801e22ab6ad3335",
    "signature": "0x48919ae7f8756963f66f633a583999fe4563ec7a31274714095044d76bf11e40141ab80aee41c3bd98f2188c4326973776d4428c55cbfc4e349ecf92b013a3781c",
    "signer": "0x99349974a285BA4Da3FB67Dbec77e3f462a5E306",
    "userId": "214996084"
  }
}