{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619978042",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9dde05f91051e3f8adae2807cad39c554b54a7aded7aa2b5d61d0212639b4ed5",
    "signature": "0x4a6d1b4774fb11b447d425b055be04a5b8c4b7029ca8b2b38da9df1cd376b95e17403e4c87e3144747094631532e25e6e993e050fd563e61ca56eeb13490ff8a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}