{
  "manageEntity": {
    "action": "Repost",
    "entityId": "572712050",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x319cb2bc445f7a2a044acbe1d806be313e651ee9f0eb91ba28124a9ba8eb2ce2",
    "signature": "0xfe871b0683973d54ed4f493b4ecdf92d49e11693d7b105ebe73466d468ba26ac0f5ced51a7ff6d4b02af911cbdb7ec4bc7d9d31d07b195ea8107b1eaaa06fc741c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}