{
  "manageEntity": {
    "action": "Repost",
    "entityId": "854756",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9e470d2331c7cb8060c5c9974a9ef7ac3c44ddf4bc41f5396b382fc95cf15261",
    "signature": "0xa7df9140ad46bd092800f5b6c7ca13e819ae31bf31c44c68c1c721959b32cd0c1d3fc70cb9dd48bc6b29609007e293bd6a6600dc197986697382b58f77b262421b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}