{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x82ac9255144e6730f384a3f936b5178406f1b8b2aaaa9b9854119f24ac699cdb",
    "signature": "0xf41dbedaad7b9a943b718cca4b6e72ee1b321a52a9cd9656627acc8bdb488d21295847924fd04d721a81f81e437298bb61daa6adc98b2f4b1093015b0c85fa7e1c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}