{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555788888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1f341a67fdb8ddd0f75f09a18f80b9254ced7a4bff98637f8ca09f035dde5650",
    "signature": "0xb2158df5972c406a874e3343344c47a8b2abc1d7683cf44b6bb351e1bb7b546b0f9409aa8351d2bc510559164e92522d3859f719feb0939ff8b097c22090aec11b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}