{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619069",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x53cb0561c1f96ffc02d0b8ecc87d1d6fbb21ee1fc47f4cec4c56e037271ec32d",
    "signature": "0x9165ad3b04bc7a3379c7d41b07340f8dbb5682d72d0ae1705babb6150ab5bbd8047728189e45ceca299ab8ebef6a0ba96f3e736dfec39f7a048ec1bfa4fd86b51c",
    "signer": "0x45C74e4f36E4e5064C5321eeED3748fD52B04eA8",
    "userId": "133970929"
  }
}