{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "976719636",
    "entityType": "User",
    "nonce": "0x5aa04cb872a74088e035030b67a9beb9796975638dcc6d430a7398c9b1818052",
    "signature": "0x930d7e305cd3e442e7d356ac269674398700705dea813514876d073daa2137ab1a250b4d0d32f968654be71eb74c414da8e8abc1857dec30c990173bb0c367741c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}