{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640073332",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x07ecd3805b4bb56074553501daec411e63ddccf86dc500a1fa88cb8524da1ef6",
    "signature": "0x0e28777f8755cee2d46ab3551bef64f11e87635fdfc15835c5bad481dc034a9a6f7089d2961aa53f46fff046f258cc2808289698590251f4858d3cb0a40116671b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}