{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878269462",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8b1dd5561d8ab5f5b204aecddf8e45af8fbc712014cc1306abefbea38d1691e8",
    "signature": "0x35a5f4bf8eebf039604302b55e6800883fe45f7291d5cdc66edd1391b2c9bee67d4a6e2adc1532a9997afde01011353aca2e3db9fda557630e11fd7e897f1ee91b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}