{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448447764",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x68af112e2b1e82e35e96c996e6cbb3582b14576fffda3db328c01740ecba3e25",
    "signature": "0x6bac7c7e5502b7ed6018362760da49f043c8dcf567d323195e5ccf75b740b690662b7bd5fccbbc0333c497af37c6de14fbcd45ddbc2cd6930d67fcd045d88d391b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}