{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x9cbb40b6276d97a1f3354371c57ade70bfefaf6fcd08f9d61c7e472299342d32",
    "signature": "0x97a06c6d28c9ea51c9e6aef80736c7e61562da60aa372e1c534068b6b5c906486ed8e88bb5d12e40b8994e924901fc5c13224677a642808be5b22ceb90a81d761b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}