{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499642431",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2543e3e563979231f305540756bc1e29ebcfd28dc35869bffd7591ffff8ab301",
    "signature": "0x59d4cebc22129895484186bf1a48c55a85e935332d599a62d28ff808fb6917b02ed03a475b4669408fbbd95ecdaff71b7785e21aa4aaf1aade66f8447e7ee0bb1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}