{
  "manageEntity": {
    "action": "Repost",
    "entityId": "490903268",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdd216714b80936aab3f80b3f2099f3eb3f184c97f4dbaff28a06b47251f29589",
    "signature": "0x57dc7208be1097d39716188a21f30e03032c04d4f1fed9b178aed760fda18c0f4629bb0c8a1bcf3edc981d35bc89f2995784cb9a36fdd13797d9ac55c64a298e1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}