{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515561413",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf01cd63d10df02e4620c2e007081846e15ca0cb90069b959c4baaf8cd02fd47d",
    "signature": "0x524a658b04fb8f8759ad1e2efcc815602098777844b0903855cdf3ed62ae2a4c4650033b4bd5c66bb5558cf0fbb642e5f2524d2e82dfe15bf3e2c0033408e6bb1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
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}