{
  "manageEntity": {
    "action": "Repost",
    "entityId": "877426829",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1bc8a85b298ba0c0378b31ae87b5fb926217922f7c7c8c7ac01585beb3b0f2e2",
    "signature": "0xad53d44f221aed03a21a19bb2b50af1b2b4d5e98cdce9345916d29be168c93dc257aa760d76c95192aef3d650331f04103a93e26db2bb4861562ffdcf63d76ee1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}