{
  "manageEntity": {
    "action": "Repost",
    "entityId": "301981",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3b81faa76258abfb76f8c19ede458bcd1947ac3b595b746414f609e531573881",
    "signature": "0x7d211b34b9d0700afe7cd763777c3717bd8dda7718786a12bede31e17f556ced4e50c69d36a90d0f5a24787506a1242bfb543ad9a26bfa2008c9b0f735152b001b",
    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}