{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644626943",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8aaf47aac30ef39713cb1c095e6327c55ccd61515bb272add7cc519fe08591ff",
    "signature": "0x7979c193b4c9fb23e68fd547af3b2ad1160ecff027ee6f31f64658649942e21a725469dc402064b5298bfcd753fd59c979f1f3acdac348e550eda777285414cb1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}