{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600704",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb05d128c91776fd37a8176f5ea7f232ec0e91d260f505719c382ae79eb74931d",
    "signature": "0xab70396d73fde3d0639519a035f1793dbbf14950897f2d189858c2a05b0052794377f04931c27ae7c08f2e30765cdebd6738bb845c8051124078963061a38ba21c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}