{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1453818267",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1b820c518d20bae04062c847f20eb13dd78a0d803c5bde20fe3f3d524852ae4e",
    "signature": "0x53c4e5cd1e8ecc1c4b7157184a79ad9c26b38d4cd7a34621ba19e79812271f300ae263d0cabf9c3fd07e292f4fd1c87b4606bdf7497844dce42992b339678e5a1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}