{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123909",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5f8e466a8ac5c12d16ac58763c41654b562dd518d64f141ad593c77be2370de2",
    "signature": "0x43514d3819da720e03eeddf70ab49e8ca54672fff3be59fa830ccd675275ca6e60255d68088d4e69a0cf05605b928ad7120acf8085b122572583487b311bee201b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}