{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448387364",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x18fc622830502f1020625be37323295dbcc232c0a19c40b20c2087d59d69d702",
    "signature": "0x666264d821d4e0cc899d6752980553af138e86279b28a07f43426bc7d89e614d005733a1494a6876c82a5a6d08ce9fbbbb06bbb07433817b14c4bb7201e668a81c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
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}