{
  "manageEntity": {
    "action": "Repost",
    "entityId": "75403",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf4ef0c9506086cd36a438b56fdc1142b6bc474c2fbcfa19a0d43f060d784f1ae",
    "signature": "0x0c05fb3361b539b33bcd843c1ff1b1ed6bbef2eb95c631f107ff953ca2f291c9365565d0f6112fdc34979c9ec77fe831539b97c2632a10b281ad3fd2bb2f9cb91b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}