{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748847722",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1457e5af21daa31774f3e86822a1033ad49faa7ba9d0b25755f64aedcd1a4682",
    "signature": "0x307cdf99b06e32aba99f24d417f9bd2be8981732c2c956107f3bd9e71465cdda018aece240a2b4cfd54c508d6af136f5b51bd33a3322e0401bd10ce64e3b07501b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}