{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300549589",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x53838840ec3cf2265ae0829a8ccc921fc50a9bc2c189f1da98a8940a01a9ac71",
    "signature": "0x91d77bbcfe6cdfb7234c9d86a45b20e9298923eb92094347beefef7e97e819e2499f54c67a8020b453d4faaba3fd9bfc2f2738e0492f9d6fbfbcde06ca900e7f1c",
    "signer": "0x79375D6d575fE2a038916001077f90CbAE12d4A9",
    "userId": "973873678"
  }
}