{
  "manageEntity": {
    "action": "Repost",
    "entityId": "523001673",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb517db9de7b4e3f7ee6be39e0c5d7ddba3f1128bd701eb9e9aef44bcf2957e63",
    "signature": "0x129b25edadd290dd5ee246d1820dcdf9d3edcf9ee1a53db952df16197b4f8a901d2ab287376018c66824129a8a44c0d37be13badb163d782e0b7d4aae34e38581c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}