{
  "manageEntity": {
    "action": "Repost",
    "entityId": "498129773",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd0df37fe5dca9dbb694de32aa8f233c22bb03ee790a247cd3d3b447bc5091c17",
    "signature": "0xd18880a5a172db3b8956ad30eefc649b1366115ffdee887edeecc4f780fe91fe515fe8f278e2d50b3a0dec034e64c1b55245efa5c53695d925b3565c297994e31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}