{
  "manageEntity": {
    "action": "Repost",
    "entityId": "577460",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb5a0f6f98a7fd05d995596058b0088529d9f25347d833ac2ca8ce78605f40af8",
    "signature": "0x52bb4388196a80f8b5127e69402c62c99dc861b27ee8cded89c145726a5f1be12eae46b3975f03f7e72bb1153248dda957306125fee618076273537161d886841c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}