{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x838debc99941e8442314773785457b17aa62115f0caa20aeed6296e3120bbca6",
    "signature": "0xce650fa376674d6709233cda055a37f3904f5ce986375ec4fbd6c2bc9777c2052cf210347531d246bdaefcce96b2b2ca1e9056938a90a51c47314a14e7b98de71b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}