{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543913",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60bef9edfd45fb20185f50496abc6d52440d6e70761257a1db4e8c26b99ca535",
    "signature": "0x9cfba8f829f1d429efd42c352cadec5c9f8b52c59a8770d0f43e1ea90cde50896e8b752fb426dbae4765bcaaaa9f8b9259816c3585169d015dcf5b3491e798ae1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}