{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557748",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x85a26a67cb41bb394bb962508c428941584e70c65695f1b586bfc63fe21c1d78",
    "signature": "0x980d85e843d6b97375be16849f4af787f903aab07986baca4dfa6a43ca184b42503fd2ce7193cccd1ad2a5f9284c8952c4a9fe3e6cb00a52f0609827dc0105c81b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}