{
  "manageEntity": {
    "action": "Repost",
    "entityId": "585508",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x512b835d08cbcc0f76e7ab0dd08cdc48f7aca49f7b1b0e7fee4b4c7d4dce50fc",
    "signature": "0x7ee6c7e0902533b21166420262d8d9bd81d4e97b80d87bbcdbd4779e6b77a0df5d164befb8edec9f985c4d74317d0cff5fc434fbe87d2e9192236c0e02845dee1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}