{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x42f46a40d17630a91d8e93f260570e576f563c1e08b62b9197810dc1ee64e99d",
    "signature": "0x73ee7b6295865b420f8926ea986814dc5d04659c9c2dc6f0a4cea0e09b7747ed354e06bade8d03ca2a2310795a40d4e132983c1e339b7a6adb1f25b197d3574b1b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}