{
  "manageEntity": {
    "action": "Repost",
    "entityId": "490903268",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf2c51af3442ab3300bc40d753c464842c5903c12a5a3006a5ca6f3374f1e18d2",
    "signature": "0x5b32f282c3100f07fb52e7c45dd609e329d54deee3b83e142f6b9e11388c032d3e75d149e6f2ffac622a2804d3d5f7aa5da486997cbaf09aa4f3636fc94e4c431c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}