{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643475513",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c9ad4919bda0199b96a9d85ed372f5890935e31a60a65fbcfd34c962773cc02",
    "signature": "0x5258627cc7c9bb65b946dff36b2aed574b1f525cce0c81f2262507b9fdb704d66384d6ec46b48394499f922861e868c2f2673fca6003d5922cd0f5ed41353bc51b",
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    "userId": "486490947"
  }
}