{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644403167",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb735dc7098393044b66a9f96cdb822ae62a7330be3a72158731ac93d730d86ec",
    "signature": "0x8b24a6ee97c63a609dfdd114203002300d9c6b5fcabd34db78788706eee60156211c49a021e8f4acd35e536b1f57ff1dcef834517a5e6821704feab7c7b353fd1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}