{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521978499",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x25c809426fe19cf549bf428ef3f83906c59fe628b11bdc168c4f65d2155a51ff",
    "signature": "0x1f0f5ebf4d65a191d4e87ae7ade150f66b251e9fda6c9d73605e6b54b785c9e12a24e24c1823b4c98252c15164347d73f4ea082ccf27ccc9187f07f6678f10011c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}