{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294181602",
    "entityType": "User",
    "nonce": "0x4e49301123c59fe89b72d995168f567a9a325d42e59b78574cc5cd8c162f21f1",
    "signature": "0x6d95a08318632ae222330a1a293c06638026941a5f6cf8a21fc761d5f2f191501432cd1ed1d1b7bfa501704a42f565a401d66dc3899f6b6652aa6267472567d31c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}