{
  "manageEntity": {
    "action": "Repost",
    "entityId": "539544090",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbfea2bcb832c2ad87493ccf07158601d002d3c05120cd0b17839573c55aaf389",
    "signature": "0x10cbb3cdf0f018173bedf7978db5b404deb44f382eacbf5df630596b2cddf05f5b71ec67adcdc559e092b2a9fc8634f5d7052583f42156ec3f920008295c75b91b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}