{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538765",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x387619ab51fe8afc47275634b9cf68370d303778dc28fa21229505b693cfc734",
    "signature": "0xdd447a66b83bfd4a949269dd0cc9626f0650ccf50d5fae297f5a692286706c3d191d5fcff6e4305765e19b13503cdab1554b288e90baad61c6373c16446f6b481b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}