{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5077",
    "entityType": "User",
    "nonce": "0xd6a64d74d419f21513c33e4fb9c7e98c81a57f810fd89528e0a9bc90cdfee9eb",
    "signature": "0x92fa786c15e35909e99e4c601144cd6d399d81dbffbbbbe616fb8f088ec06660741c7c5574850eb44732e43b259754b8b8d7cb0a38f7d8bdc3817d0abe1659ff1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}