{
  "manageEntity": {
    "action": "Repost",
    "entityId": "498510",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43737029a7a8d8ab3126c66787fcb1ff45e7907d03bf74087e51fca451ac577b",
    "signature": "0xfcc252e58da5e08c8db1c48c06747c78742d1c84ccf6a8a5e32a1c450853777b35d273656a74ca70c1e7a5fd7f8c25a99d7c68342b5760f529086f9be37fe6f81b",
    "signer": "0x03e9Caf2aeac5a0F0e4Be56410d67A4148D38Fd4",
    "userId": "47828528"
  }
}