{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327343",
    "entityType": "User",
    "nonce": "0x2ca9c5890ed88d68c3d7d2a86bbc7f800ad353d28e4d7873f962d701f2a69bf0",
    "signature": "0xf97cd1706fd44ab1951d2a91e75e180dc276b768cc0b85e1e56d8e5820747c0e070e40c445f39eeebe26fff5de192f94310f4fb7923609b9595d0fc942fbcbea1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}