{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509850473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5ed44369ff9f8f30255d0cfca8d47fc771d6b136d3525d8b3c1954dd60fe3207",
    "signature": "0x875262c4e78b136ac9e51e5dfaf28b9261503a71034497f3af288c0ebaf7b35f4a2d4568046645714551bbbbd0cca9ecce56cfdf6a384e01b45804078cf984921c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}