{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257276756",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb8ca8b8fb85522ff1240585d01334d03f61670c32e00c90f7814d784231a1f84",
    "signature": "0xc78c18e5302b9668f78044f2250304ce672070394a470a7b5aa35e524dbc2e3d4499bfe58d373262c1e0f8d3057caf1985b2c3c245207b9994c52bd7c66fe24a1c",
    "signer": "0x3324C23609BC25902C39CFa38CF40581c7Bc7F87",
    "userId": "229134011"
  }
}