{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621506",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaec2be9eddd21a517d76007686a1ccf92e1ba1448b48c9cc7beb2eac86bb2e73",
    "signature": "0x1107a9aa2e4c679d732b673a27dd320ef2e2d7a2e5f320efdd8d82be62e908b2578248227221eea133611716dab53f3054d87bc059c7a1192b7451174dda3ee61c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}