{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "684881",
    "entityType": "User",
    "nonce": "0x3603fdfb9fdbb35082921398d762e2b7f73d676962887e3845bcda672743fff8",
    "signature": "0x77ee5fdfe4f9c7307f7c3eaf3cf1a76ad67e7991e19914f6c0ecbed2be7aed8f1f64e6f80e43f3d201e646f8a31faf38a53636ddd9bbde64f43e43daf4a926061c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}