{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21126534",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x818d2329cd6ce6c2a09fb8d8ffc7f930d44d65c038cc9d09eb013fdf18238cc8",
    "signature": "0x98f01b2aedcd3cbccc56cc80ee0644d9b275a292d750f8f260e2234cc1ca53e02c1199d0437dc88fe72b4207896768c69d5a4eb96cf82b245b7acd3d59d5cc841c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}