{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0xc3f850d11cf17b0719f94c8ca07d911575d439c6cbb6bf57478428ccd6b4aebf",
    "signature": "0xa401bbca8a7abc95c9a3841270b8f29871c569c4463ed8c0169ed26ac95226fb000bab8d23c0e68a1643e716fd570f492705c65282e3780cd53f74e770a0b13a1b",
    "signer": "0x90FD14E5f569756111EE3AECbcE1AAb95c2A01da",
    "userId": "86867162"
  }
}