{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646499801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf1f761a1574ba430bf02972921321f681d7e8b07a8926149d740325757800b6c",
    "signature": "0xc2c911dce1ad6a2cd76b479b731a5b0bc8abd4dab2c1cb50e4d97f34b797607c29640a5bc059039211f4c6a959fdd4adaf6a090b7f89ebc179bd4957402abcc91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
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}