{
  "manageEntity": {
    "action": "Repost",
    "entityId": "637193939",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ebe01b1603a0b5ce103366f33b33e688716d4be121b5589289da0cae38122c7",
    "signature": "0xed2940fc903e0da73473561150a05bcbb07f9a8d1eca1c813c203553e2e2648234bb9cce2ed21f4e7d348b292c533a43b37d701093e191dd46c5d165829791fd1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}