{
  "manageEntity": {
    "action": "Repost",
    "entityId": "495988653",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0579e61f4687b1a588ede7b27758f96de0a24342c75ddb3aabb2cd4cbe78695a",
    "signature": "0x1b58383ee0b63751080d1dbfa4973e3b5b043aca50c2aa82a6c377898f6121f664e134490c88aa030c0af7f319aee7404c3441216032cc83636b127251ed2e451b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}