{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860501393",
    "entityType": "User",
    "nonce": "0x5640265e5b9303afcaa86ca544fbfd4d6c66b0a510f68e9df630bdd4c29b8f4c",
    "signature": "0xade21486fa3c5fbed236c5e85eb0ba4b1989370a00fa6cf2a6f84bf3a58f140f132ca86c7a6fd452161e1c75b3515229c824763768c972fce14a1b4155b6a3921b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}