{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1257922558",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0654cb0e8d67f12b98cc9ec71a9f5d4ef12cd6e345aef862e9bfb1c40045f46c",
    "signature": "0x388ef73064fbc322a4599400a7e645881bb00ff707835c997d403421a102ddb21c86b73708d88d90f9c99b72f3013294f14e4cbf468370c101a5abb54e94039d1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}