{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150946",
    "entityType": "User",
    "nonce": "0x79997d89204ac8a41878fdacd016d832014f8b01a383b8f41faf11c5d475e276",
    "signature": "0x4e9b3f47f3881638efda4301c9a85e326da11bfdc224c3311f3bc72724426cec7298ae6c62d9efc9c0ebfb090fb9b4205257dbd6fcf58023a534a27cd3ba3c391b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}