{
  "manageEntity": {
    "action": "Repost",
    "entityId": "877628502",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9a3ea8097e52e919996943d65b10ac83aa95f1ee4ea35dcda52150bc7ade9005",
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    "signer": "0xa8a656578194b14b851Ab0d4a74272Ff373CbF6B",
    "userId": "1512820"
  }
}