{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225977",
    "entityType": "User",
    "nonce": "0x742f4415cf90a6d4b3ab6446aafdc5e78c6f9ddce8fa86de11606422624b6693",
    "signature": "0x0dbb6d5f3d269935139a54913a3224b8392f1671a08d61939ca3fdd5373a4e01177ae10453f1af0a8e48832400c6b3c37fe4a341571d652e7c89c6d689e9e3261b",
    "signer": "0xd76db15F6497Ec64eF91054E15bA07FFda4EAe74",
    "userId": "704247571"
  }
}