{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965708335",
    "entityType": "User",
    "nonce": "0x6e9ec4146cbce86e61b2cd35ece81d9b28731410dff1d5ebab777a7f9d587ff8",
    "signature": "0x2ffeb1d697c8b190d9b26d5eff8991895e0b4ded3faca52f40b1f6d38b0e7843341061038e7ffe40636e87034d8f063bd6325acc85c6cc02812206c9dad693531b",
    "signer": "0x21370B7a703524cC2941323C2c960224021F8D56",
    "userId": "986168993"
  }
}