{
  "manageEntity": {
    "action": "Repost",
    "entityId": "559729503",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xae0dd2778d1ce16f33f237abfa8d58c64b5525310ae0c0c0bd994c8b45702a71",
    "signature": "0x4fbed513be8a15cbfad8fc9e52138e2208507b932709051bdb2ebea8906ad8133421800d5c9143a93a8bfb43655e714f8e33a70dc5c2ba2465849bf43855c9da1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}