{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449847",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x56987f076b1f94227082ec237d416df5797d4ce23e1c2b8e08d70a2b63b875ee",
    "signature": "0x4c17947d8df54f5bd2b5c7f7aa69f9aa5dce58bad93559da862714406b3fc6033ec411d4204d74cd7a812efa6766d369a7be475299204282175c16f72c08780b1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}