{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445873148",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8f92bdedbc4ae6489d4b5fb72aaabb6d2acd0fd79ddca5f9ae79c7792d6587f8",
    "signature": "0xaac8cedbb2197522b2e0dc2ec019ba6da93de2fff0e87be13eb3d550c55d13a71cbbb7b72408fc40ae674449107ae38c23b52b55d844bad172ca0f83d8ac95551b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}