{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "667809204",
    "entityType": "User",
    "nonce": "0xdbca1c69b19439b7878be1f7608f7327a7d6b97691c1644d714129d7f3df2065",
    "signature": "0x8b6d6b0b7fb62d8a77b8953f9f365af843571ba27a85cf6e08a7874373a7ae5b3efc8f51b953fc999fae47590f51570e3bad366a4163382f8a049366eb94a6201b",
    "signer": "0x28E33991512111134d5d0a41560151532083B312",
    "userId": "9962"
  }
}