{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516014",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x587dfbc507e5d2a1f595f10146fdef2cdeb1516be37a2c540bf1c1c75de78877",
    "signature": "0x27e30b3c99d0a18506227e1f38cd0afd35c55b4bc21bf4a51eb19cefb8c4aac728b3dbcd6490f8c8b4c7fda77b690b6a90141ae79bad2748829850fbada078291b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}