{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10726",
    "entityType": "User",
    "nonce": "0x8f2018731706b2c4cb85c682d4320605ab32265ce2270965f1f7cf798bfe9945",
    "signature": "0x70d983645f7b0414ddbdec1e7ba624184f12bf2ba0f9e511a31f306bedcf2316043b9ad8d2a6029ce2444870b3ece2465028d6016ce8c7fe24581b443b1b042f1b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}