{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465074020",
    "entityType": "User",
    "nonce": "0xb2b30cd62d5293b9c2c578c1668f833d2ddd6fe7f4242a61c159956a3be080ba",
    "signature": "0x80ac3ffe963a3ca6ebc8faf4712ce6e9a280efd5b266c17bb399f40ee25e725c03aa99eb1d6700e5c0eafed4102f82cec0a5f4b26fbddf6f0cbf1e43db0f308f1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}