{
  "manageEntity": {
    "action": "Repost",
    "entityId": "458784730",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa894c54d1aa83b5cf9d9457a2818cd355d56477d335dd239a0a4bc0e6d2d745c",
    "signature": "0x326ab26dde461939cd6b5bcaa49f10e6090ab7bb04f4e261730b4f373958c1426bda18fb386076408c3907e88ddc90197d1fcd817f0a85e16ec1e66185ea7d141b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}