{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664208732",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3c03b672414771583adc5005b6427ca7d0d9200136021798416a533c09964dac",
    "signature": "0x1e95bde6c3d0090b021ac4957b73a08a0caa117868ed4b6400c1aa57e7a11b117f564fb36f1d5f143e3f2269d14311d84459484c4528fec08053016d8cd70fb21b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}