{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657130292",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x389295ff4685f7488528065cb90c7d7a6fb8f719c0883c22ed4540008e2c0e40",
    "signature": "0x1859d7681edb632b0cd7e9ee7575e52571ef5629848e9f36e33b5f4bcad683f30f65008e21fb7f728ed2f3905a2633ad8a055663446d0b735d572a1ca7f143291c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}