{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758353",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5140d96fd92a7d8fda6c706f33d22598dc62982526792c046d3caeefecb15da7",
    "signature": "0xfa805e1f84b7f223dfb20e8934a0e1c9ece923011963a0821264453be9330b905efdcaed8b835870b217e4bbb59c776fc1f99b66f9ffbafd7b26a1a0f2d9ee701c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}