{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1304965888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf1509b2c148d73e7c52d59cc810893307d6b44274c0ccb66b6f56aa4c1f0ec4f",
    "signature": "0xf1b3e4b2ea96434985a811fb018614c7edf1316346dc41e96a9adf32a9e2e22d4e5d4bbda53ec5656fffaf07c3cf699c9cc1b7e466cb3911910ce8c64b0f5ba31c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}