{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "739472267",
    "entityType": "User",
    "nonce": "0xf49d9bcd28bc409895dec61588ffb8cedde336143d52bade8f826bc613f007aa",
    "signature": "0x4cb28f17c81f98cc2fd68c24a1d25ae5cce606fbe5dcabf4b4008bc0b4dde648170d315f13344ce668793ea690b6cc4294955fe5487ccea24220387baa4960d01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}