{
  "manageEntity": {
    "action": "Repost",
    "entityId": "491500313",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfce8c35bcc1533ffbe007d513400ef978110c75783dfee4dedbcea0ea5a59b4e",
    "signature": "0xdec7e37f376d2dafa8ac7771cbf6ffe5e171af348c760cc0680d54a7de02160a35f62a7037ccfc845c0e9391a788d2b87e83446dd2e4114687d95103a2d11fce1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}