{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994858715",
    "entityType": "User",
    "nonce": "0x51e46707040f0fbc619c991dd0047db75257df95864def19b95f12c9b61e98df",
    "signature": "0x5d98540ee2b4d424af6b7387e8bc64c1e2ac550bb8235816de82e87936796ec15db143f56d4011e009a27059fe8045419e34bd110b4dc440c7f94e2a5c2bff341b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}