{
  "manageEntity": {
    "action": "Repost",
    "entityId": "548569614",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x45f133610e0484f32f2fc6a85b6f4c30fb4f78b684ce2b9f10c21abc167584ae",
    "signature": "0xc7d12e596f188bd7bb08d3f140d930015391aadc88c1b82bbcbccbadc6310bd424c1ac6fe38514e3904904972b0e368ae4e6cc8b83025760ccc41ffd9255fbac1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}