{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1538521096",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x804b7309cb08a08c83f33100ffa87997cce932f5a5286e80d6b85e339b30918e",
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    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}