{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754646361",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0d73e0c0a86605f88637512cdc7912a06490e55ef86aa1d970d4a418da9a1498",
    "signature": "0x22b26c3451c9228f13e3465d9d4f3a6feb2c9ced8aa594efb5992b9ba4fa9d713a3227b336104c16ded4da9dd770acb1851184b87f860fbd1d221156dff8555d1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}