{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1477735689",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd98fc998b52f5a74bb8dfca6842a6a6dc0197e432eb45422f6d400557e1bfc3e",
    "signature": "0xd3e24dc0b6ead179ec3ca07e25ccfe58ac711014510d9d4701f8738f8ef960432068d4911e3cebc2bc9f53b29422bcfde473d6d4e4cf5399c85b9d51201f9fb81b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}