{
  "manageEntity": {
    "action": "Repost",
    "entityId": "453409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd2989ad57d70109ba4eda7fb30290656665e742c660a69b9371571446fa1283e",
    "signature": "0x4586c6bf7445a9faeefc93f9a3c0347eedc342ad6e868960dd3aec5d60cf21162881addf9dee2bc955fbd7ba54f70bcd6b2223c2ea252103a5d78ee0230c9b2f1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}