{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354979",
    "entityType": "User",
    "nonce": "0xde8a9e11d92e11be0e42b3863159111d1c379634504af32caece648dc1d52c9a",
    "signature": "0xaa15bc8f947671b3b2beffe1000aeea5adbf964a1195d1095317ebddffbe24c4561ec43fb4f435c7880798fe947171b12ded84a3398d9f741fd1436462582bc21b",
    "signer": "0x182fd837C1acE765D4953bA8d602948d6025afee",
    "userId": "375501"
  }
}