{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75675",
    "entityType": "User",
    "nonce": "0x2e332c3d9a74849ef0d6c9eb4292fe7e3c19843c3c717ab5b885d783588aa006",
    "signature": "0x4c0e5d8f3e7942370179beb2cf19ce112c20b67982ae1ca8fc104997b1d077227242ca5cd79d57d84d41c19a6ce1b8e5e09d7674a98ae7e88c5c1559ced624291b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}