{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439319041",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f506d031f563c5adbbf9b9240fc99b4c15196897e956e2b102c189eae2ea675",
    "signature": "0x8aa548dac481086895383ded1afe38952261ffbf2de5dffa0e50f73d3722416074f9d519aecbdc94c56c067d5ba8926e379b11cdcf652a3b0afd1f56eafe58101b",
    "signer": "0xc4D717cAedEbd44159efCE2FC6E6922759180b36",
    "userId": "185747"
  }
}