{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9797d3e1706841fc89d139c9ac33931c2e2d5925c430a9cc426b0cafbd4558ef",
    "signature": "0x75febf8658d289647691890e38630c05e8f0c8e07bce0b3a46b06a446364bc76532419b03b136f9fadc886647813bb1c0e81680ef105595e9148847fc0f25c461c",
    "signer": "0x8d9D00A94c3B1C9992e3CA4386AbBC6345B2E876",
    "userId": "396658415"
  }
}