{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "814131574",
    "entityType": "User",
    "nonce": "0x723aba1accb1d6943d25c33124e229e9d362e863b5233dff8bdaa2a4fd190328",
    "signature": "0x525e05c54a98a9d594d042606ddc8dd34dc78a7feb66adf7617df2b643dba21e3342ff4607920d67b87108dc4b3af388d4139804ed1f0ef7ce0864f75adc1fce1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}