{
  "manageEntity": {
    "action": "Repost",
    "entityId": "57323839",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf98adf3238750e617e3c726bf450d61cf15568cfccfcd51433cc6140b8a5e8f5",
    "signature": "0x4855a734c08052b600b7706c43103eef54f4c6ad29372aebbbb1641d7e8fb4ee4655975d9b7d74a91eb3f32d535e2aab268e499ead32676d6c8187b71549aeaa1c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}