{
  "manageEntity": {
    "action": "Repost",
    "entityId": "397443",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd47a2b2bdb5f6e69043fc95a2abc77b7bf3f109e65a94a4985e44a95b09954f3",
    "signature": "0xea8bdaac97b83510d5977f384375902179873c4cc23d4ae60b900138372bf7202735dc1bf1aeafc4ff1205625a90266201f8e4d7dd13e0781bdcb2e9f321e09b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}