{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557940713",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6a764d9a88720f2d01b36155eb75076550752c0f978905360be33baf73bcf27c",
    "signature": "0x74f2e78d612e2b708663bc24a955997a3719d9854451114d4baa24c947618f09701f8c6d4833ed986c29cf0d81208ea71e54e236f47b5dc726f60d48c7cf397d1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}