{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504577420",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca558b7c5afea47ff5a1e1c45371baa1841d135f85292b56671aef359e313ba4",
    "signature": "0xeda7ddcc1872b564f0c1f2259bfe88ef98aaaca59dddae5e4b3b303916b41d74375a376d1d5d7c091b24b758030d6d8dcfde18ad60e824c0306080d38f85b02a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}