{
  "manageEntity": {
    "action": "Repost",
    "entityId": "475238587",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7b5833f30deeb1b9791773016f76b8e6051a5c71e4260a4d0dd1fd6f6e2641c3",
    "signature": "0x1340f7fe6c332f91af5c43234afe321a267782a62ffd6f33613985f13b6de3f426fea22d5724ddac9c939b28d27bdaca6139155db69e1d45353d709f81f024cc1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}