{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503979953",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55d84ca1626330ad18a91aa5546fa358ffafda8aaf9565b7f7b850e45921a064",
    "signature": "0x20083f22088f659f662dc154d05cc204e2b5909dfeddbbe5800b8cc39fb445265496e52c74b4956a5f5d8583820511232ae3e539cea07c13e35c998fc0437c681b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}