{
  "manageEntity": {
    "action": "Repost",
    "entityId": "550821705",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2fad0b7d1f6cbc44564a7a4595b55290bb96848bebcb7b32d5921b73d05fceb4",
    "signature": "0xb371c3508012af3acb9a433a6bd54bb02fd2a03c98707f1b39564c532320caba0a5351807b293dc4f7b7eb7e859062cef0c2fda3bc8cd47fb6fdf16b6f6a849c1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}