{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603023",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x67018183633d2cbedc6416264327c72489e98fafb625cedc13052255f06d5561",
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    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
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}