{
  "manageEntity": {
    "action": "Repost",
    "entityId": "31221159",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55fa50c660c173fdbbac3f24fb7908bd5c367eb493f32244c5c94616e8cb3da5",
    "signature": "0xd5571bd39bc51f6fd6d00b574f4fbc692ce62e5edeb08234dfd71be98d13a4192d3eb01e9efeea1a9114501de5f7c56be4c341eb3e0e6e4bcd0560943fe4bbc41c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}