{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1506845920",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b858b05fbf5b09728c3e9c0881e8e58cdc47c406bf709ecb324014b06033412",
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    "signer": "0xb1B522e4c290853bC2ABb1D802d311A7EB1e696B",
    "userId": "94334210"
  }
}