{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445542978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xac8c75d26d53f8191be83904d84ce5187d96ac75fc3c31fec19869ef03e9ae16",
    "signature": "0x8ef636f97a387e1814ed2761cae28370e2c0c7f78332580d3cbd9ca9bcc6721d1aee4512cd6939311ac94a906faf56ebc27d12ac2ac468bb1c6f48445697b5a81b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}