{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499053867",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0fa3866dfa534722bc20321a6051cf70fd404894d8878fceddd04ca2fdc1934d",
    "signature": "0x3d8c14161420b0c9d88ff5087873b8ca71328e82b86bbba48e86d1708e8d39ad58f0244030ef19e3fb6b221c2af2a7670537ddc1cc7d0fcb525e826686d998301c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}