{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515861479",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c68f65909b013ec32398a6b1e9f8527e23b02ba567b10e27b4ca21bad4bb24b",
    "signature": "0xc8da75cfc130e59bbe5944b9326dbcdcb27bbddf9d8d7e4ad367be370f76903311f60d6f878797729f23d0e43ac8d511e529d21030b130edb4bf91c0cdbfe4381b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}