{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1557982381",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x25f88e0ffde5aee8728f81c6223f0f247d4acc140a7d19ba8453e0bb4f05bb4b",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}