{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1221742429",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9cb7f420a20d6442819dc8befcbf60c41a82e6ecbf460bc7d03c986eb48ba67a",
    "signature": "0x60389ae8c8550679b13c736cb5c62f46220ee3454ca4f6a45b07ebef28dbcaa766312a01be1fa663bf09ab1d3145488d1c807d2a96215c580d92f287dd2ed0fc1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}