{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553654",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x835aa197209590cf90f4c6b5895ec5a614547a90f34aca262ee96c53fad669cb",
    "signature": "0xe69be76bc1fe2046e83694844c0019bc8a2e22ee00149b9903619856d367d8635ad108d125d1b743ef05546bc737750c70f0606f8b1f484bf96cf9a6c5f374161b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}