{
  "manageEntity": {
    "action": "Repost",
    "entityId": "5478321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb3bd2c0356e3343f6df804fc6916c56237e8b4c728f63567c4b0d815c733b480",
    "signature": "0x07da8234b1ed423d6e7140d4901eb04052d888edfd58e7f4d7405425e6e1d3d21cb289400a1bc702d35a00e24121d3ab5e29d42cfed06127a7e283913b7a0b931c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}