{
  "manageEntity": {
    "action": "Repost",
    "entityId": "376468909",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc39c8c4401f3424c28b1b910dd13ad09ebda88f3b1269b86f3dd21dae590c557",
    "signature": "0x03a9e3d3d1922ea72dc5cc3846dca1a3783a5036b384898083c57a6a30c026723d8dac1aff31cc3ea6d27294909c83697a0146cfd2c6ec424983aa90eeed9c421c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}