{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754710462",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdf903359ab06d4a45206453e56dd1767bd8105e6e82e5cc4a80d0d33a13718ba",
    "signature": "0x6a917fb92dc1b211908981182b1e6d7be4b1b1351a0c49f517f744357ca180e801724588b7523a08c34b3164eb3353d63e6f7bbbb9bc28f71e1be3d92ea0a9bc1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}