{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668504529",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x823ab6dcb87a85beebf4afcb5dc2432d920352117dfe31e47e781f53c72b2b1a",
    "signature": "0xd7590f75d691c0296992f4d0e5dbd9bd34749c4849ee5268f376cdc1c03b2a582dd702104524b3dd8ca24202c4bf816b9ff61510df4dd6e06b56a03eea6cf65d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}