{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499192990",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2ec1dd6ecc3517a2401c2fcbad18ddff3943eec68fa44289bfdbaed9b1ca53d5",
    "signature": "0x315337ec15b195f72922e6f31c8c531a7749d2b6cda708a2d247580a6b86a2292e7c18d31734901247a09f8858a26cc759b172b8a398c8c1d0cfbfcf654a3c441b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}