{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76457",
    "entityType": "User",
    "nonce": "0x52b40d5c1ebe3feddb3272537fa87b9a1308ab273b85b24bc07c415ba34ac5ea",
    "signature": "0x2793ed1d34d3179873ab95b8c7ffd7051713de57df4515a98b86f2f00747454e2b19f1b4902ea3df624dccfe58ffcec186710c65dbba4293f6149663cd9747a41c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}