{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xe4521d9bacb3186c1ea2acbb596b8ce989c1d773bb4cb042ff81e115e67cbfa1",
    "signature": "0x7cc5cbd997403e5a545161da0aa79e235398488fe2b1318d5a47fbc9bb20b02040a13609bc71fabaddd0809bae4cf3e2d6d375d7fe47e2c9c5edd536b8d7e9f61b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}