{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb5db330d9a3023087bed9b961332f13e72eb4002c5d0567059a06c2689a49bab",
    "signature": "0xd12e70318b7e690d603e5ba5ade3d9778fa916cf9dad565cd21596ed2443a4d24786a0a1c7a8406eaa6047843ba690c2d23f879adb08f73673c1c4ec0197b4441c",
    "signer": "0x8f77F7FE2165fBa864E751474Ad844d93fAAFaD7",
    "userId": "265585009"
  }
}