{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578917600",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39547025506d166ba89862fc125c28734c4d2d642f53b0305c5322c1bddb6e33",
    "signature": "0x7ab6131fab9ca3bebc31a47742be8b837935068c9556e59087f0a50421ea45b4203d16e819f7bae0376af955e5b600450d600176980540863558dff3764dc0611c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}