{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1573992195",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x824c6049fcfaa5a7cb3b0008025a1887ff2f4b5b2122f3c6c63eb5e859083d15",
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    "signer": "0xD24F8A2501472e4c9FD5dfCCDF80B550912c7FB0",
    "userId": "887242445"
  }
}