{
  "manageEntity": {
    "action": "Repost",
    "entityId": "539061232",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7966a457bfe9a1e1312fb3baba650e001c67399806fe05ca50e0ef6586e87c4e",
    "signature": "0xbb506452d9a637fb1f03110c88932e4325272fcf849bb03c9ce6a5ea5c64452c7dddd1f841a42c8d00691a45609bfbfbefe757553391315269fab2f6a5345ce11b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}