{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x7bd2c9d10e3f50b20a4d7e1bb5e94192ab51838cbee09591149f52a56f91401d",
    "signature": "0xdcd7e6fb62ee650b188690205b199c93be2f7c3b1fb784075da855ab23e32d34645ccedbcd16b2b6332fcea7d16ab16c65bb6c8e0feeab209f8316a0ebbc48881c",
    "signer": "0xd32819732210Ea4B81f5Ee202a2bcb7704aFEaA1",
    "userId": "714016562"
  }
}