{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621511265",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0e9318cbbae5bc9236f97a605953f77a5fb8a4d974bed37c14adf6205f3a89cf",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
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}