{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239102",
    "entityType": "User",
    "nonce": "0xe52e810810f233919d691e476d79d6eb09308ed1aa54adc33885560f868f1edc",
    "signature": "0xf1f626219044a2280bd4ca4636ba27cb4589d4495e95af67b4d4ef124e436fb124d056358cbb9f1940989b261471d3469e56d4f132eac3665ee1380e9b0e72d51b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}