{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1857387257",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4d583d33ca64d3bdb4037df6a8f471d814a9b63f4985d18bc23622bd9eeed5ca",
    "signature": "0xfd0b8ff1fe6273441d4f61c586c0136cfc1a78f3a5f7ffdd430fa71558cb44e86ce2461798eef0bd88164f873ca8783f34fb3692a210930a9f6246a4dad40c211b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}