{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639967414",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1a744fcfd19f609782f19f1c77c7b1ddb4e9756466f73142be7896eb449e33b",
    "signature": "0xf50e78a8327615d1fb88fa69f90d4c87c10c833098d33fcdb55d25fb77e8ff3b1289c34950c9053e57275ad2ab3f2a75d95aeee131dc8144f39ba2a73a5b0b6d1c",
    "signer": "0x14d7618B82Da4e7176FDe32e4379943eCd69798D",
    "userId": "238125623"
  }
}