{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71456",
    "entityType": "User",
    "nonce": "0x6632e053e5e26b6eab00e2413778ca80efbc7aea7bfa086e8ba51fd8b2760789",
    "signature": "0x5c4f5ca239229736bfb8952916f601107ef308a100d4a7c744ec82d77b408ccc0a76094e71be4f24d379bea333c8164c5b63290af8c7e63eee3043c2783d73961b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}