{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640929289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcdf3183dc3c78b47cbbbe95772449c27efdaeb00c066e2f2fc186f9afe2fc82c",
    "signature": "0x9f5258729f8fc0f42ae1ca33de316b261db294ea8655da3a91387f02cc073a0a12f8243c45c2083105f48cb61ce37b0d0152c14ca306cb4945de2cba1ebf2ae91b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}