{
  "manageEntity": {
    "action": "Repost",
    "entityId": "537663",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9bc7f77cc6d021c7e7979020e7351a711a5e0ed50073af538d289834267394fa",
    "signature": "0xb2c8c6a2ffd1bc008af13b28df0be7968ffb9877029cd0a25e888e85b10aae16352342ff4c54a61825798c72b55fe4488e4a78bc36be5072ce24a47207fdcea31c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}