{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428439",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xabc541ca1a27947da688909d7c13649cc9cee1b27f762a9d9b91c0aba1b20da4",
    "signature": "0xef4e54f114668ede8e00706e915513efc94d2384c3593795e451d9523631b51147182923f9a96c341ce568e8115ac59efe3dda2425d93a5f05b713581b9e914d1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}