{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5307724",
    "entityType": "User",
    "nonce": "0xd4625fcbf36a1f1756d79b7abb1441966daf1e50c4b8b916cd20d8b73b95551a",
    "signature": "0x3e4858bf485f3f80aeee66964d1cd2d9e1c5edcde29f157f6cba5f66fc9ddde821030cc23b68ec6e4059ccbb8a951618528c9c26b07662544ee7219ad11ed2201c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}