{
  "manageEntity": {
    "action": "Repost",
    "entityId": "686446",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x29d4a15f2f76c79cd0394379e45f4014b5bee9b60c5f58e7b968f93ac0ca1638",
    "signature": "0x9f9e5334e8ee3b547359e49835d571281cb6c49b3a654d67c664e25e21858b095b2efc8d4d8e933dbaef27da9bc42b53e69289bdb85933cd1613ec1129bc7bbf1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}