{
  "manageEntity": {
    "action": "Repost",
    "entityId": "475853691",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c569c75061ca9b61ea01f26624a00f2a23911ddde32f27b0ae09994b2ec0bcf",
    "signature": "0x742ffe2794f0b8ce6a2f22c2f853fa6581b9e0a61570fdb59921d092dccbfb755a82e91dcf5aa2db44b6873479e1d2aefca9c1266ec1f2c9bf878c61c591bc791c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}