{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439926435",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x56c6288bc093ad82af9f114093927cc7c8d1b9c8c5101a7b5b796e30208df913",
    "signature": "0x2a79237bcb1274554184cb079d6c0a0fa77a66422a32d8e0a0276ca2dcdc05567ad313ecc4549186a8dcf2a493ba321e28891dcfc6a3307d5fb5a8d14ae8dfa41c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}