{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x9d2e7c7b04ef6b2127fdac362d612b38fa0cd5705d551fc1eb47b5f9abfa98aa",
    "signature": "0xc4364c14ac2da9552bdcd290e971119fc0ee8dba7eb87863f6968c2afd08b7b529d71aed43295d6abde503b58bd7c55040ec3446632714d22dc4322083b9d8cf1c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}