{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554718",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43a9340f7118de3a5bf2dc0d271c8823333063741ea47baddfe9b71a7950d98c",
    "signature": "0x3df082041f777081a37c0fe07345e1eb8167970f150e3da3397d345f837c5505567da1433b7ef45b9fbee73790c0cf6f23a2849cbb68f9d44e264fb2d9db187d1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}