{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464100900",
    "entityType": "User",
    "nonce": "0x6be69ed207000e86499469ce72bfc6d9a46c496eba3e4d2561077bdb889bd4d4",
    "signature": "0xcc0963747d0da541374b25fb0891e0e544a4e1a375fe1f3f3837ee1ee29a88c0282b65fe4fa338ceb24e448343df5c02a7bb49644fcc20a4f848a151b1c5cde11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}