{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1391390455",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x501dcf3d774b655af65c9f04742540578e61f557f885f204f9a2f51ef337e272",
    "signature": "0xc1f530a1f17648413901288c4e8ff27b4a0f9882049026c72b9368b5b9c0fa5754f7c231eb44f170570d8a995de94758b697262fc45ea15d06a3ad92ecf18f9e1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}