{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1403945342",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1dd99a441f01567bffb35c81469b111abbbe1c6e2b06e36d09fe2473d3ea6386",
    "signature": "0xd6e7e465ad2aca02fe2a2c68cdbb1eb0861de72f18a8904a2e27cdfb51fee64d40ef2e397a34eb7e2c352cc3dc6c0e239f383e13cbbe9a3c71ef81ade94d240e1c",
    "signer": "0x316933E449A0b429014E405447c447C9Bc472bE9",
    "userId": "451684863"
  }
}