{
  "manageEntity": {
    "action": "Repost",
    "entityId": "689098027",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60a78045c07c92d8d0a172da374c9de58abda3e604c4952a2671c4bad4252734",
    "signature": "0xf2f63dcd2d26760963a1b9bd2fe2e371cf14898db582dde1f174a59f969aab955828cd742cf48db74b0adf3edcd2e8b405fad8b19372be1ff76f2e90b638e9551c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}