{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81073",
    "entityType": "User",
    "nonce": "0xf05550bf1b160756f26fa7c6bdecf22bed8e557440cca7c90e3be04cce2cd16f",
    "signature": "0xb5c63b57ab3a97a67506483abada48c930cd81e1be27faac8772e2684f9aced610d63a9e65f75cb09d72b1a801ea01fec9d6642d0f3cfc1f5210aadd860a878d1b",
    "signer": "0xd71A398Ba4BE25002c1E3393379CD4Ad32c2c4f4",
    "userId": "280641949"
  }
}