{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x9c0588ab65c995c799a8194452dc9880b6bda9469360be0ea80dc8bebd31f442",
    "signature": "0xeeccb5d2f334491ec4fc3b09f8bf3a64fc7386d494f534721208be343413a71e39b55c1d1521cd1f11644626b8c799e2645bb6d05bc3e9c44481a8bf383e66361c",
    "signer": "0x934E45BE36e38037811AEb6F8eD448164c45408B",
    "userId": "582278090"
  }
}