{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143226",
    "entityType": "User",
    "nonce": "0x3794e61719c8047d22d7d96d057163c9091da628f33dfe48cba65c32a31c0e0a",
    "signature": "0xce82137b6f0985dc74096e074cb16605cd672ce95545388013d63d71a6e441a76d6f171a590127ab6d7ab3f52aa9b4d99529557ddf9ea798b6b2142a0e21db1b1b",
    "signer": "0x74cE10865978883B54924eF5Bde16e92D31A0d49",
    "userId": "483269989"
  }
}