{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421596682",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe4b0a870716fffc807c620a031ef3af159e7e7834e6c7cb3ccc7373368701df6",
    "signature": "0x44e7d107dd4f189d315f65deb4fce97c96150ef98fc6695119826f93e8d1360c33614384a41765a832f5957eaead12caa1935a5899a3cf08852e96c06eecdb761b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}