{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1492854971",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x99eab4e558ca0e3ededf2002dc0233d4f685ada19e5c72ebe46b72b83e0d06b9",
    "signature": "0xa3e07584509c84917987b1ec31b08917226defbef45b3f97498df75e24831d1c2179acac9ba26875d92cad539abc23ff12431b8369ca0d6c117a2501dd5a61c41c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}