{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "680645058",
    "entityType": "User",
    "nonce": "0x561fd3e4b696ef39bfd435142f6ff5b3e6f4f694d863d5ff88f8ee9d081fffcc",
    "signature": "0xf5cab744af82cb01d71a260bb93fe06489e3371c55fbff9ea70d66d02ca44d8c6400acfc37c76879121f8276c204564d47cc83872dd76c190fd6774fb5acb3bc1c",
    "signer": "0x46C85bbd3c0c697Ac1Ab2Eb3c8684cB5b8Ef7ecD",
    "userId": "368331039"
  }
}