{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445854",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x42f78fcc3d220e0927ecad0dd88c21dd02664145984ff2ef0beba88af15a29be",
    "signature": "0xa0f54f4d9be0a7684372037c60c82cedb7a2d6259721d7ccaac614fcf2c9e8ce558a65eb2cbc237684d4cc2fddb67dfd08ed03924ebaf8dc419f04dbddde49d41b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}