{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554123",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x969b197f9a89f66f1d29c4d088bf3a7676de66bbac04f0b996572962419e26de",
    "signature": "0xd1f1faba8cd92464a1d9d97e21de724be11dd9c329d63840ce8c7f61b813729f0c80bc44d423d6eba260f912f068c5e488166597be2b17eb27168ea00e9b5f111c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}