{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1234519315",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7aca79ee550cb71eba652dccfce8b824f6f567fb39b5d55bd3f666dd989e3a37",
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    "signer": "0xC657bd3E50e9082279d5D1a5f1B85d0c985b3523",
    "userId": "592353919"
  }
}