{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1876402020",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x283999545dfcde1378a6b9abc74ccb4b26074802e76d0b7127ff0aa911e4511f",
    "signature": "0xbeec4f1e9b5e11474ba3063b221ff55e87bb6782f6301ec2d6d129fe94b2029a40c051c16582fb7673e60eba63b10793acff1b2e915774c3dccc891a26ffc45a1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}