{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454690",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcdb549a2fd1a8cc2484db31eb1f922d66d7602c14251fce69789e11a4bd85d75",
    "signature": "0xbb08fd7b8d8ba2bb16d5b3ed57f03b77a221a87f714af8ee9894d4784ba59c636b056111e72a47d76bf67962c0515d7dc549e2832c8f3285bf123b511d396e6f1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}