{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1245557901",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb2fde556bb9e098c9e3b6832cbf0d616ff7f10e433b0dc9fa41ba99baf786456",
    "signature": "0x5c469040fa87b5dbc7399b9446a0882c3d7544760b56549ffcf43f8d0fe1317e425ba931745f3be5d4b9fad738115f1a031518a56d51942b70aac210bd0644731c",
    "signer": "0x5A6DCd6E22135e4225594900c17114A7dAD01964",
    "userId": "580576096"
  }
}