{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467213409",
    "entityType": "User",
    "nonce": "0x9e15aa59f4a23fc43da89d748e704c4d4bba0aa981e24384d146cc97c55f1bbe",
    "signature": "0xcf2fdee2832e9b2614a2d3654da53eb130e7dc40c761d9eceaf889cce8be8c335cc21f69a93077c00b8e1f636d55b07186e715b828f45b6f3ec74280203cdd901b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}